1 /******************************************************************************
2  *
3  *  Copyright 2015 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #include "common/time_util.h"
20 
21 #include <sys/time.h>
22 #include <time.h>
23 
24 namespace bluetooth {
25 
26 namespace common {
27 
time_get_audio_server_tick_us()28 uint64_t time_get_audio_server_tick_us() {
29 #ifndef TARGET_FLOSS
30   return time_get_os_boottime_us();
31 #else
32   return time_get_os_monotonic_raw_us();
33 #endif
34 }
35 
time_get_os_boottime_ms()36 uint64_t time_get_os_boottime_ms() { return time_get_os_boottime_us() / 1000; }
37 
time_get_os_boottime_us()38 uint64_t time_get_os_boottime_us() {
39   struct timespec ts_now = {};
40   clock_gettime(CLOCK_BOOTTIME, &ts_now);
41 
42   return ((uint64_t)ts_now.tv_sec * 1000000L) +
43          ((uint64_t)ts_now.tv_nsec / 1000);
44 }
45 
time_gettimeofday_us()46 uint64_t time_gettimeofday_us() {
47   struct timeval tv = {};
48   gettimeofday(&tv, nullptr);
49   return static_cast<uint64_t>(tv.tv_sec) * 1000000ULL +
50          static_cast<uint64_t>(tv.tv_usec);
51 }
52 
time_get_os_monotonic_raw_us()53 uint64_t time_get_os_monotonic_raw_us() {
54   struct timespec ts_now = {};
55   clock_gettime(CLOCK_MONOTONIC_RAW, &ts_now);
56 
57   return ((uint64_t)ts_now.tv_sec * 1000000L) +
58          ((uint64_t)ts_now.tv_nsec / 1000);
59 }
60 }  // namespace common
61 
62 }  // namespace bluetooth
63